20440006912

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{739}}^1\times {\mathrm{8311}}^1$

素因数の和:9079

約数の個数: 72

約数和(自身を含む): 44003395520

約数和(自身を除く): 23563388608

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 739, 832, 1478, 1664, 2956, 3328, 5912, 8311, 9607, 11824, 16622, 19214, 23648, 33244, 38428, 47296, 66488, 76856, 94592, 108043, 132976, 153712, 189184, 216086, 265952, 307424, 432172, 531904, 614848, 864344, 1063808, 1229696, 1728688, 2127616, 2459392, 3457376, 6141829, 6914752, 12283658, 13829504, 24567316, 27659008, 49134632, 79843777, 98269264, 159687554, 196538528, 319375108, 393077056, 638750216, 786154112, 1277500432, 1572308224, 2555000864, 5110001728, 10220003456, 20440006912]

約数ペア:

[(1, 20440006912), (2, 10220003456), (4, 5110001728), (8, 2555000864), (13, 1572308224), (16, 1277500432), (26, 786154112), (32, 638750216), (52, 393077056), (64, 319375108), (104, 196538528), (128, 159687554), (208, 98269264), (256, 79843777), (416, 49134632), (739, 27659008), (832, 24567316), (1478, 13829504), (1664, 12283658), (2956, 6914752), (3328, 6141829), (5912, 3457376), (8311, 2459392), (9607, 2127616), (11824, 1728688), (16622, 1229696), (19214, 1063808), (23648, 864344), (33244, 614848), (38428, 531904), (47296, 432172), (66488, 307424), (76856, 265952), (94592, 216086), (108043, 189184), (132976, 153712)]